The main production and sales of Q235B square pipe, galvanized square pipe, hot-dip galvanized square pipe, Q345B square pipe, large diameter square pipe, thick wall square pipe, square pipe, large diameter square pipe enterprise, the production of square pipe, rectangular pipe specifications have the full size: square pipe: 8*8-- 1000*1000 square tube, 5*10-- 800*1000 rectangular tube, thickness: 0.6mm-- 35mm, the material is Q235B square tube, Q345(B, C, D, E) square tube, 20# seamless square tube, 45# seamless square tube, 16mn seamless square tube, Q345(B, C, D, E) seamless square tube; Can be customized according to customer requirements. Products main application areas: building steel structure, large venues, exhibition centers, lifting machinery, ship manufacturing, storage shelves, decoration, transportation facilities, airport construction, bridge support, mine support, three-dimensional garage, outdoor advertising, fitness equipment, vehicle manufacturing and other industries.